Original my-e320 bank teller window intercom

About Product:2. Ultra-thin external extension, small size, beautiful appearance, the external microphone has been placed in the extension. The internal and external only one line, simple installation. The internal machine must be plugged into the vertical microphone to talk to the external machine. 4. The system playback is realistic and clear. Independently independently adjusted and external volume can be switched on. 5, microcomputer processing circuit, with static noise function, and completely solve the echo, Noise problem. 6. There is a recording jack, which can output internal and external dual channel sound signals (with bank teller recording).